3RT2023-1AR60

The 3RT2023-1AR60 is a Siemens SIRIUS S0 frame electromagnetic contactor with a coil rated at AC 400V, 50Hz (60Hz corresponds to 400-440V). It can be directly driven by the main power supply. The main circuit is rated at AC-3 9A, 4kW/400V. It comes standard with 1 NO + 1 NC auxiliary contacts and is suitable for simplifying the control power supply in large distribution panels.

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Siemens 3RT2023-1AR60 High Voltage Coil Electromagnetic Contactor AC400V 9A/4kW

Product Positioning

The 3RT2023-1AR60 is a Siemens SIRIUS 3RT2 family S0 frame electromagnetic contactor. Its coil voltage is designed for AC 400V, 50Hz, covering a range of 400-440V when operating on a 60Hz mains grid. This coil voltage code (AR60) is consistent across contactors of different frame sizes in the 3RT2 series, facilitating standardized parts selection for engineers across different capacity products. The biggest advantage of using this coil voltage is that it allows direct three-phase mains power to drive the control circuit without the need for an additional control transformer, saving wiring and space for large switchboards. The main circuit follows the basic specifications of the 3RT2023: AC-3 rated current 9A, rated power 4kW/400V; the auxiliary contacts are 1NO+1NC instantaneous type, using screw terminals to connect the main and auxiliary circuits, making it suitable for applications with large motor control panels or requiring simplified control power supplies.

Core Product Advantages and Features

AC400V high-voltage coil design

The coil voltage reaches AC400V (400-440V at 60Hz), and the control circuit can be directly driven by the main power supply without the need for an additional control transformer.

Unified coil code across models

The AR60 coil voltage code is defined consistently across various frame sizes in the Siemens 3RT2 series, facilitating unified management of spare parts and coil specifications.

AC-3 9A/4kW main circuit

Maintaining the standard rating of the 3RT2023 series, with a current of 9A and a power of 4kW at 400V, it meets the general motor start-up and shut-down control requirements.

1NO+1NC auxiliary contact

The standard configuration includes one normally open and one normally closed instantaneous contact, along with screw terminals, for easy signal feedback and interlocking wiring.

project	Specification
Rated operating current Ie (AC-3)	9 A (400V)
Rated operating power (AC-3, 400V)	4 kW
Number of poles/frame size	3P, Size S0
Control coil voltage	AC 400V, 50Hz (60Hz: 400-440V)
Auxiliary contact configuration	1NO+1NC (Instantaneous Movement)
Terminal blocks	Screw terminals
Mechanical life	10 million cycles (of similar quality)
Rated insulation voltage Ui	690 V
Rated impulse withstand voltage Uimp	6 kV
Protection level	IP20 (Front)
Applicable Standards	IEC/EN 60947-4-1

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